Ubuntu 1316-1: t1lib vulnerability

    Date 21 Dec 2011
    98
    Posted By LinuxSecurity Advisories
    t1lib could be made to crash or run programs as your login if it opened aspecially crafted font file.
    ==========================================================================
    Ubuntu Security Notice USN-1316-1
    December 21, 2011
    
    t1lib vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 11.10
    - Ubuntu 11.04
    - Ubuntu 10.10
    - Ubuntu 10.04 LTS
    
    Summary:
    
    t1lib could be made to crash or run programs as your login if it opened a
    specially crafted font file.
    
    Software Description:
    - t1lib: Type 1 font rasterizer library - runtime
    
    Details:
    
    Jonathan Brossard discovered that t1lib did not correctly handle certain
    malformed font files. If a user were tricked into using a specially crafted
    font file, a remote attacker could cause t1lib to crash or possibly execute
    arbitrary code with user privileges.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 11.10:
      libt1-5                         5.1.2-3ubuntu0.11.10.1
    
    Ubuntu 11.04:
      libt1-5                         5.1.2-3ubuntu0.11.04.1
    
    Ubuntu 10.10:
      libt1-5                         5.1.2-3ubuntu0.10.10.1
    
    Ubuntu 10.04 LTS:
      libt1-5                         5.1.2-3ubuntu0.10.04.1
    
    After a standard system update you need to restart your session to make
    all the necessary changes.
    
    References:
      https://www.ubuntu.com/usn/usn-1316-1
      CVE-2011-0764
    
    Package Information:
      https://launchpad.net/ubuntu/+source/t1lib/5.1.2-3ubuntu0.11.10.1
      https://launchpad.net/ubuntu/+source/t1lib/5.1.2-3ubuntu0.11.04.1
      https://launchpad.net/ubuntu/+source/t1lib/5.1.2-3ubuntu0.10.10.1
      https://launchpad.net/ubuntu/+source/t1lib/5.1.2-3ubuntu0.10.04.1
    

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